3-Trifluoromethyl-5,6,7,8-tetrahydro-1,2,4-triazolo-[4,3-a]pyrazine hydrochloride5,6,7,8-Tetrahydro-3-(trifluoromethyl)[1,2,4]triazolo[4,3-a]pyrazine hydrochloride3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride3-(Trifluoromethyl)[1,2,4]triazolo[4,3-a]piperazine hydrochloride5,6,7,8-Tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine Monohydrochloride3-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride